Jan. 6, 1985: San Francisco fans storm the field after a 49ers playoffs victory over the Chicago Bears.

Jan. 6, 1985: San Francisco fans storm the field after a 49ers playoffs victory over the Chicago Bears.

Photo: Frederic Larson, The Chronicle

Jan. 6, 1985: San Francisco fans storm the field after a 49ers... Photo-4009526.54921 - seattlepi.com

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Dec. 30, 2012: A 49ers fan checks out his iPhone during a game against the Arizona Cardinals at Candlestick Park. This looks like a possible self-portrait, but for the sake of now/then continuity, let's assume it's a television replay. less

Dec. 30, 2012: A 49ers fan checks out his iPhone during a game against the Arizona Cardinals at Candlestick Park. This looks like a possible self-portrait, but for the sake of now/then continuity, let's assume ... more

Photo: Stephen Lam, Special To The Chronicle

Dec. 30, 2012: A 49ers fan checks out his iPhone during a game... Photo-4009527.54921 - seattlepi.com

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Dec. 22, 1985: A San Francisco 49ers fan adjusts the tuning of his state-of-the-art television during a game against the Dallas Cowboys.

Dec. 22, 1985: A San Francisco 49ers fan adjusts the tuning of his state-of-the-art television during a game against the Dallas Cowboys.

Dec. 30, 2012: Team Alex Smith shows up in the first quarter of the San Francisco 49ers game against the Arizona Cardinals at Candlestick Park.

Dec. 30, 2012: Team Alex Smith shows up in the first quarter of the San Francisco 49ers game against the Arizona Cardinals at Candlestick Park.

Photo: Carlos Avila Gonzalez, The Chronicle

Dec. 30, 2012: Team Alex Smith shows up in the first quarter of the... Photo-4009531.54921 - seattlepi.com

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Dec. 22, 1985: San Francisco 49ers fans hold up a sign supporting Roger Craig during a game against the Dallas Cowboys. The multi-talented running back set a rushing/receiving mark midway through the game.

Dec. 22, 1985: San Francisco 49ers fans hold up a sign supporting Roger Craig during a game against the Dallas Cowboys. The multi-talented running back set a rushing/receiving mark midway through the game.

Jan. 10, 1982: A lot of things have changed in 30 years, but foam hand technology remains the same. A young fan gets fired up during the San Francisco 49ers playoff game against the Dallas Cowboys.

Jan. 10, 1982: A lot of things have changed in 30 years, but foam hand technology remains the same. A young fan gets fired up during the San Francisco 49ers playoff game against the Dallas Cowboys.

Photo: Mike Maloney, The Chronicle

Jan. 10, 1982: A lot of things have changed in 30 years, but foam... Photo-4009534.54921 - seattlepi.com

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Dec. 30, 2012: The San Francisco 49ers gold Rush entertain fans during a game against the Arizona Cardinals. The next slide will dispel the myth that cheerleading uniforms are getting skimpier. (Michele Le / Special to the Chronicle) less

Dec. 30, 2012: The San Francisco 49ers gold Rush entertain fans during a game against the Arizona Cardinals. The next slide will dispel the myth that cheerleading uniforms are getting skimpier. (Michele Le / ... more

Dec. 21, 1985: Some things are timeless -- including the mohawk/49ers Sharpie forehead combo. San Francisco 49ers fan Art Rasey enjoys Super Bowl XIX in Palo Alto. If you know this fan, please have him contact me at phartlaub@sfchronicle.com. I want to interview him for my Let's Go to the Q&A project. less

Dec. 21, 1985: Some things are timeless -- including the mohawk/49ers Sharpie forehead combo. San Francisco 49ers fan Art Rasey enjoys Super Bowl XIX in Palo Alto. If you know this fan, please have him contact ... more

Dec. 30, 2012: San Francisco 49ers fans celebrate a touchdown during the fourth quarter of a game against the Arizona Cardinals at Candlestick Park. Note the lack of tobacco products in their hands ...

Dec. 30, 2012: San Francisco 49ers fans celebrate a touchdown during the fourth quarter of a game against the Arizona Cardinals at Candlestick Park. Note the lack of tobacco products in their hands ...

Dec. 22, 1985: A close-up of the cigarette. Bonus points for the shades, feathered hair and gold satin 49ers jacket. If you know this fan, please have him contact me at phartlaub@sfchronicle.com. I want to interview him for my Let's Go to the Q&A project. less

Dec. 22, 1985: A close-up of the cigarette. Bonus points for the shades, feathered hair and gold satin 49ers jacket. If you know this fan, please have him contact me at phartlaub@sfchronicle.com. I want to ... more

October 14, 2012: Sourdough Sam plays to the crowd before the 49ers play the New York Giants at Candlestick Park.

October 14, 2012: Sourdough Sam plays to the crowd before the 49ers play the New York Giants at Candlestick Park.

Photo: John Storey, Special To The Chronicle

October 14, 2012: Sourdough Sam plays to the crowd before the 49ers... Photo-4009542.54921 - seattlepi.com

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Sept. 15, 1985: The 49ers debut their new mascot, Huddles. It was a league-wide merchandising initiative that included dolls and T-shirts. Thanksfully Huddles was short-lived -- I'd argue this was the worst sports mascot in recent Bay Area history. less

Sept. 15, 1985: The 49ers debut their new mascot, Huddles. It was a league-wide merchandising initiative that included dolls and T-shirts. Thanksfully Huddles was short-lived -- I'd argue this was the worst ... more

Photo: Mike Maloney, The Chronicle

Sept. 15, 1985: The 49ers debut their new mascot, Huddles. It was a... Photo-4009543.54921 - seattlepi.com

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Dec. 23, 2012: Washington resident and 49ers fan Jessie Leota cheers while showing off his custom-made flag outside of the stadium in the hours before the Seahawks/49ers game at CenturyLink Field in Seattle. (Jordan Stead / Special to the Chronicle) less

Dec. 23, 2012: Washington resident and 49ers fan Jessie Leota cheers while showing off his custom-made flag outside of the stadium in the hours before the Seahawks/49ers game at CenturyLink Field in Seattle. ... more

Oct. 23, 1981: A group of fans from Menlo Park enjoy the tailgating action before a San Francisco 49ers game at Candlestick Park.

Oct. 23, 1981: A group of fans from Menlo Park enjoy the tailgating action before a San Francisco 49ers game at Candlestick Park.

Photo: Steve Ringman, The Chronicle

Oct. 23, 1981: A group of fans from Menlo Park enjoy the tailgating... Photo-4009549.54921 - seattlepi.com

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Oct. 23, 1981: Proof that the wine-drinking stereotype is a myth. A close-up of the previous photo shows at least three bottles of hard alcohol. And I'm betting at least three of these fans walked in with a flask ... less

Oct. 23, 1981: Proof that the wine-drinking stereotype is a myth. A close-up of the previous photo shows at least three bottles of hard alcohol. And I'm betting at least three of these fans walked in with a ... more

Jan. 4, 1987: San Francisco 49ers coach Bill Walsh walks by a group of fans at the airport after a tough loss against the Giants. The definition of faithful. Arguably the worst loss in 49ers playoffs history, and the fans still show up. less

Jan. 4, 1987: San Francisco 49ers coach Bill Walsh walks by a group of fans at the airport after a tough loss against the Giants. The definition of faithful. Arguably the worst loss in 49ers playoffs history, ... more